[K12OSN] OT - VOIP one way sound problem

[Les Mikesell]

On Fri, 2006-05-05 at 12:36, Julius Szelagiewicz wrote:

> the k12 servers sit as routers / firewalls as well. so you have a server
> with public address, nat to 192.168.34.0, hp procurve switch with 2 vlans,
> the one for the phones is 192.168.33.0/25. all works well locally. Remote
> site sits on natted interface (comcast foolishness), connected to first
> site over openvpn. the internal network 192.168.12.0/24, connected over
> tun0, the voice network is 192.168.33.0/25 - the "other half". no problems
> pinging and such, the phones do a happy and fast tftp to the pbx at firs
> site. the sound goes only one way - from remote phone to call receipient.
> very annoying. turned off iptables, made sure source natting is ok, to no
> avail.

I thought you needed a sip proxy for NATed connections:
http://www.nongnu.org/partysip/#natsupport

--
  Les Mikesell
   les at futuresource.com